GMBUS_HW_WAIT_EN   75 drivers/gpu/drm/gma500/psb_intel_reg.h #define   GMBUS_HW_WAIT_EN	(1<<1)
GMBUS_HW_WAIT_EN 3246 drivers/gpu/drm/i915/i915_reg.h #define   GMBUS_HW_WAIT_EN	(1 << 1)